General Information:
Chemical Formula:(K,Ba)(Na,Ca)5(Mn++,Fe++,Mg)14Al(PO4)12(OH,F)2
Physical Properties: Cleavage:[???] Perfect
Color:brownish green, green, or yellow green.
Density:3.34
Diaphaniety:Transparent to Translucent
Habits:Foliated - Two dimensional platy forms., Micaceous - Platy texture with "flexible" plates.,
Hardness:3.5-4 - Copper Penny-Flourite
Luminescence:Non-fluorescent.
Luster:Vitreous - Pearly
Streak:white
More details...
